top of the hour, it's an ntsb investigation. stay with us. [ thunder crashes ] [ female announcer ] some people like to pretend a flood could never happen to them. and that their homeowners insurance protects them. [ thunder crashes ] it doesn't. stop pretending. only flood insurance covers floods. ♪ visit floodsmart.gov/pretend to learn your risk. her long day of pick ups and drop offs begins with arthritis pain... and a choice. take up to 6 tylenol in a day or just 2 aleve for all day relief. all aboard. ♪ >>> we continue with our coverage of the george zimmerman trial, and i'm joined once again by dr. lawrence kablinsky, a professor at john jay college here in new york. dr. kablinsky, what do you expect the defense, since they've almost completed all of their witnesses, there may be another one tomorrow, we're uncertain at the moment, but how do you expect them to finish? >> i knew they would end quickly. i didn't think they would end this quickly. i would think you would want to end with a bang, an expert that really sea